<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>学生成绩管理系统</title>
</head>
<style>
    *{
        margin: 0;
        padding: 0;
    }
    html,body{
        height: 100%;
    }
    body{
        width: auto;
        background: url(../static/img/1.jpg);
        background-repeat: no-repeat;
        background-size: 100%;
    }
    form{
        width: 400px;
        background-color: white;
        margin: 300px auto;
        padding: 1rem;
        text-align: center;
        border-radius: 10px;
        opacity: 0.7;
    }
    form>h3{
        font-size: 1.8rem;
    }
    form>div{
        font-size: 1rem;
    }
    .text-input{
        height: 2rem;
        width: 90%;
        border-top: none;
        border-left: none;
        border-bottom: 2px solid orange;
        outline: none;
        font-size: 1.2rem;
        padding-left: 2rem;
    }
    .user-bg{
        background-image: url('./img/用户.png');
        background-repeat: no-repeat;
        background-size: 1rem;
        padding-left: 1rem;
    }
    .user-mm{
        background-image: url('./img/密码.png');
        background-repeat: no-repeat;
        background-size: 1rem;
        padding-left: 1rem;
    }
</style>
<body>
<form action="">
    <h3>登录</h3>
    <div>
        <input type="text"  class="user-bg" placeholder="用户名">
        <span id="thisname"></span>
    </div>
    <div>
        <input type="password"  class="user-mm" placeholder="密码" >
        <span id="thispwd"></span>
    </div>
    <div>
        <input type="checkbox">保持我的登录状态</input>
    </div>
    <div>
        <input type="button" class="login">登录</input>
        <!--<button id="thislogin">登录</button>-->
    </div>
</form>
</body>
</html>